一哥 (jat1 go1) — leader in Cantonese
jatˉ¹一goˉ¹哥Mandarin Pinyin: yi1 ge1
Meaning of 一哥
nounleader
noun(slang) a leader or a chief of a group; often specifically a reference to the Commissioner of Police in Hong Kong, who is the head of the Hong Kong Police Force; a term to describe someone who is the most capable or particularly talented within a specific field